clang warning updates for sandbox code

sandbox/performance.cpp

@@ -29,6 +29,9 @@
 #  pragma warning(disable : 4244 4267)
 #endif
 
+// fix for old versions of boost + deprecated auto_ptr
+#define BOOST_NO_AUTO_PTR
+
 #include <sstream>
 #include <iostream>
 #include <chrono>

sandbox/sandbox.cpp

@@ -65,6 +65,8 @@ class Base
 
   public:
     int x;
+
+    virtual ~Base() {}
 };
 
 class Derived : public Base
@@ -77,6 +79,7 @@ class Derived : public Base
       y = d;
       x = b;
     }
+    virtual ~Derived() {}
 
     template <class Archive>
     void save( Archive & ar ) const
@@ -386,7 +389,8 @@ void test_unordered_loads()
            cereal::make_nvp( name3, i_vecbool3 ),
            cereal::make_nvp( name1, i_int1 ),
            cereal::make_nvp( name5, i_int5 ),
-           i_int6 );
+           i_int6,
+           i_un7 );
     }
   }
 }

sandbox/sandbox_rtti.cpp

@@ -37,6 +37,7 @@ struct Base
 {
   int y;
   virtual void foo() = 0;
+  virtual ~Base() {}
 
   template<class Archive>
     void save(Archive & ar) const
@@ -55,6 +56,8 @@ struct Base
 
 struct MyType : public Base
 {
+  virtual ~MyType() {}
+
   int x;
 
   void foo() {}
@@ -77,6 +80,8 @@ CEREAL_REGISTER_TYPE(MyType)
 
 struct YourType : public Base
 {
+  virtual ~YourType() {}
+
   YourType(int xx) : x(xx) {}
   YourType() : x(-1) {}
   int x;
@@ -114,6 +119,8 @@ struct OurType : public OurBase
 {
   OurType() : OurBase(), x() {}
   OurType(int x_) : x(x_) {}
+  virtual ~OurType() {}
+
   void foo() {}
 
   int x;
@@ -136,6 +143,8 @@ struct BaseVirtual
 
 struct DerivedVirtual : public virtual BaseVirtual
 {
+  virtual ~DerivedVirtual() {}
+
   int y;
   virtual void foo() {}
 
@@ -177,6 +186,7 @@ struct AAA
 
 struct BBB : AAA
 {
+  virtual ~BBB() {}
   void foo() {}
   template <class Archive>
   void serialize( Archive & ) {}

sandbox/sandbox_shared_lib/derived.hpp

@@ -2,6 +2,9 @@
 #include "base.hpp"
 class Derived : public Base
 {
+  public:
+    virtual ~Derived() {}
+
   private:
     friend class cereal::access;
     template <class Archive>

sandbox/sandbox_vs.cpp

@@ -125,10 +125,12 @@ namespace cereal
 struct A
 {
   virtual void foo() = 0;
+  virtual ~A() {}
 };
 
 struct B : A
 {
+  virtual ~B() {}
   void foo() {}
 
   template <class Archive>